Applicare la formula: $a+b$$=a+b$, dove $a=\frac{23}{4}$, $b=-6$ e $a+b=5.75-6$

Applicare la formula: $a+b$$=a+b$, dove $a=\frac{23}{4}$, $b=-6$ e $a+b=5.75+30-6$

Applicare la formula: $a+b$$=a+b$, dove $a=30$, $b=-\frac{1}{4}$ e $a+b=-0.25+30$

Applicare la formula: $a^b$$=a^b$, dove $a=\frac{119}{4}$, $b=\frac{1}{2}$ e $a^b=\sqrt{29.75}$

Applicare la formula: $\frac{a}{b}$$=\frac{a}{b}$, dove $a=5.4543561$, $b=-\frac{1}{4}$ e $a/b=\frac{5.4543561}{-0.25}$